Explanation:
Correct order is: E, B,A, C, D
Euprymna scolopes is a bobtail squid . It is known to live in symbiosis with a bioluminiscent bacteria named Aliivibrio fischeri. The light organ of this squid is a specialized structure that acts as a photo receptor and responds to the bioluminiscence of the bacteria. This organ helps the squid to regulate the intensity of luminescence at various depth.
The stages of development of this light organ are as follows.
The squid secretes mucus that attracts the bacteria. Bacteria establishes in the mantle and migrates towards the light organ. There these bacteria reproduce and the light organ matures.
